Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kd7 draw
3 Ke7 draw
4 Ke8 draw
5 Ra7 draw
6 Rc7 draw
7 Rd7 draw
8 Re7 draw
9 Rf7 draw
10 Rg1 draw
11 Rg2 draw
12 Rg3 draw
13 Rg4 draw
14 Rg5 draw
15 Rg6 draw
16 Rg8 draw
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Rh7 loss in 2 half-moves